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| crystalline, igneous rocks are exposed at surface (granite, pegmatite, crystalline, schists, quartz or limestone...sphalerite, tetrahedrite, jamsonite, bournonite, pyrite, ankerite. There are also some other localities...thalium. STRZEGOM (Strigov), Lower Silesia, Poland. In granite quarries occur large xIs of microcline...twins of gypsum crystals. BLEIBERG, Carnthia, Austria. Leadzinc deposit, here occur: galena, large xIs...greenockite, stolzite and srnithsonite. Near Salzburg Austria, well known mineral locality: wagnerite, lazurite |
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| interesting specimen of gray granite showing specks of brassyyellow pyrite. A 4'á inch piece of the root...color) have been found in the Silver Mountain district, Alpine Co., Calif. COLORADO-"Prof. Richard M...octahedra in quartz from the Mica Lode, Royal Gorge District, (Fremont Co. ), Colorado. The garnet ranges in...Delavan (Tazewell Co.), Illinois."—on label. INDIANA-Pyrite has been mined with coal (bituminous) at Terre...number of specimens from that famous Zinc-Lead District, which includes N. W. Arkansas, S. W. Missouri |
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| sphalerite is a lead-silver mine in the Silverton district, San Juan County, Colo. The mineral occurs as...Eugene VanderWender, Harrington, Kent County, Del. District of Columbia—French Morgan, of Washington, D. C...another very unusual find of petrified wood, in the District this time, and within a half mile of where I live...occur in a white crystalline limestone ledge, at Lower Twin Lake, Bear Mountain Park, Orange County, N...accustomed in seeing limestone deposits worked as quarries, often huge workings, may be interested to learn |
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| Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...found during the 1960s, with anatase, brookite and pyrite crystals (Parker, 1973); at Brunnital in the uppermost...specimens emerged from diggings on the ridge of alkali granite called Tor Ghar ("Black Mountain"), very near the...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning |
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| DEPARTMENT OF MINES BUILDING STONES OF ONTARIO PARTY GRANITE AND GNEISS By D. F. HEWITT INDUSTRIAL MINERAL...IV V Introduction Limestone Marble Sandstone Granite &1 Gneiss Industrial Mineral Report No. 19, paper-bound...acceptable. BUILDING STONES OF ONTARIO PART V - GRANITE AND GNEISS TABLE OF CONTENTS Southern Ontario.... . . . . . . . . . . . . . . . . . Betz Green Granite.. . . . . . . . . . . . . . . . . . . . . . . ...Concession I, Leeds Township......... Lloyd Road Quarries................, . . . . . . . . Lot 8, Concession |
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| card that secures the privileges of many mines, quarries, clubs, societies, museums, libraries. (3) The..................................... 268 TAMAQUA PYRITE. By Peter Z odac ................................Mt. in the Percy Quadrangle. The Granite and Its Druses The granite in which topaz, amethyst and smoky...grayish-white biotite granite, is coarse grained and without foliation. Locally the biotite granite grades into...hastingsite granite, and in turn the hastingsite granite grades into riebeckite granite. The southwestern |
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| several decades from the famous Deccan basalt quarries of India, and, in keeping with the zeolite theme...Massachusetts. It has been reported from the traprock quarries of New Jersey, including those at Edgewater, Bergen...colorless crystals coating joint surfaces in granite quarries in the Lithonia area of Dekalb County, Georgia...sparkling white prismatic crystals found in basalt quarries of the Deccan Plateau in the Pune (Poona), Nashik...include the Malad-Kurar quarry near Mumbai and quarries at Junnar, Kolar, Mahad, and Nashik. Associated |
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| as a volcano. An example of intrusive rock is granite while an extrusive example could be basalt. Sedimentary...along road cuts, river banks, cliffs, ridges, quarries, and excavations. Localities can be found in books... Chalcocite, bornite, chalcopyrite, covellite, pyrite, marcasite, pyrrhotite, pentlandite, stibnite,...(Mohs more than 514) magnetite (black), p. 74 pyrite (pale brass yellow), p. 46 arsenopyrite (silver-grey)...together. Rock Key - Igneous Rocks Colour Light granite (p. 248) rhyolite (p. 256) Medium diorite (p |
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| ···································· 471 BLEIBERG, AUSTRIA .................................................SPECIMEN FROM PENN. ........ 479 BRENNER PASS OF AUSTRIA ··············································...them. They are correctly known as the Harris Lime Quarries, Lime Rock (hamlet) , Lincoln (township) ; and...limestone" in commerce. Harris Quanies The Harris Quarries ( old books often used the terms beds or pits)...was formerly highly prized. The Calument Hill Granite Quarry produced hornblende crystals in quartz or |
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| ______ PABT I. Scientific discussion_______ _ Granite proper______________________ General features____...examples_________________ Fluidal cavities in granite gneiss.________ Fluidal cavities in small dikes...Colors______________________________ 80 Olive-green granite ___________________ 81 Minerals on joint fac... Physical properties _ Textbook references on granite and " black granites " PAI*T II. Economic discussion_...discussion_ General features________~ __ Tests of granite _ Chemical analysis Determination of CaCOs Test |
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| part of the Carnmenellis Granite (mainly in Mabe parish), in the St Austell Granite (Luxulyan, Carn Grey...End granite masses. The predominant type used was the ‘coarse grained megacrystic biotite granite – smaller...of Hawkes & Dangerfield. A significant trade in granite developed in the nineteenth and early twentieth...employing large numbers of skilled quarrymen. Finished granite was exported all over the world; many iconic buildings...and other major cities use Cornish granite. A tourmalinized granite, luxullianite, was an important decorative |
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| JANUARY–FEBRUARY 2019 Articles The Almadén mining district, Ciudad Real, Spain ............................other young collectors, and visited some local quarries in search of specimens, though he initially found... Maharashtra, India 6 cm The Almade;n Mining District, Ciudad Real, Spain Borja Sainz de Baranda Graf...Alcala de Henares (Spain) The Almadén Mining District exploited the largest mercury deposit in the world...in 2012, the district was declared a World Heritage Site by Unesco. The Almadén District has yielded excellent |
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| Fluorite, 10 × 7.2 × 5.7 cm, from the Conway Granite, near Red Stone quarry, Conway, Carroll County...at 08:14 13 August 2013 2 Locality Parental Granite Pegmatite Class Mineral associates of significance...USA Pikes Peak Granite NYF Miarolitic topaz, amazonite, phenakite Pikes Peak Granite NYF Miarolitic...Mount White, Chaffee County, CO, USA Mount Antero Granite NYF Miarolitic beryl, phenakite, bertrandite...Custer and Elsmore counties, ID, USA Sawtooth Granite in the Idaho batholith NYF Miarolitic beryl, |
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| OFFICE CONTENTS. INTRODUCTION THE OCCUKHENCE OK GRANITE IN MAINE, BY GEORGE OTIS SMITH. Page. Geographic........ 14 Granite proper..........................I............................ Granite in general....Part I. Scientific discussion Continued. Page. Granite proper Continued. Maine granites Continued. Rock........:.............:. Text-book references on granite and '' black granites "........... ...... Part....................................... Tests of granite............................................... |
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| ..................................... 7 9 9 Granite proper................................................................ Text-book references on granite and black granites.................. Special features...texture and colors............................... Granite discoloration, its causes........................................ Dikelike masses of schist in granite.............:.................... Riebeckite and...minerals on joint faces......................... Granite contacts in relation to sheet and flow structure |
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| Siltstonescloseto the contact with the North-West granite have been bleached,silicified,and dolomitized,...this has been accompanied by the introduction of pyrite, marcasite, and arsenopyrite. Later vein mineralization...Jersey, close to the granite quarries of L'Etacq. A contact between the North-West granite which is of Cadomian...they are brecciated and hornfelsed close to the granite contact (Henson, I956), and are extensively but...A fault trending 275 ~ extends from within the granite into the siltstones for approximately 5o m (Lode |
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| granites .............................. Biotite granite .......................................................... ................. Hornblende-augite granite ........................................ 12 Geologic............. Important geologic features at the quarries............................. Double-sheet structure...................................... Orbicular granite........................................................ .................................. The granite railroads .................................... |
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| as a volcano. An exan1ple of intrusive rock is granite while an extrusive example could be basa lt. Sedin1entary...along road cuts, river banks, cliffs, ridges, quarries, and excavations. Localities can be found i11...chalcocite (dark grey), p. 34 magnetite (black), p. 74 pyrite(pale brass yellow), p. 46 arsenopyrite (silver-grey)...Rocks Colour Grain size Coarse Fine Light granite (p. 248) syenite {p. 254) rhyolite (p. 256) Medium...size Colour Coarse Fine Light marble (p. 294) granite gneiss (p. 290) quartzite (p. 296) quartzite (p |
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| of the rocks________________.__ __ Granites and granite gneisses of Connecticut, by Herbert E. GregoryName..._________________________ 43 Geologic observations at the quarries, by T. Nelson Dale_______ 45 Microstructure____________________...Plicated gneiss structure_________________________ 47 Granite dikes________________________________ 48 Pegmatite...discussion Continued. Geologic observations at the quarries Continued, Page. Segregations__l_.____ '.____...Nelson Dale_______________ Description of the quarries and their product__________ ____ Method______ |
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| gray limestone with interesting scattered xls of pyrite (am I correct ? ) . The dolomite varies in shades...pale pink dolomite—very nice. No pyrite present. ALASKA—From Granite Creek, near Chickaloon, Alaska, we...1959, a recent discovery of gold on lot 999, 12th district, of Lumpkin County, Ga., which is owned by the...contains area of completely oxidized pyrite and in the cracks of this pyrite gold was deposited in the form...form of thin films. The pyrite has now oxidized to a cellular mass which is quite fragile and the empty limonite |
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| donated 3 interesting minerals from the Castle Dome District of Yuma Co., Ariz. The specimens are fluorite...marl near Delaware City, New Castle Co., Del. DISTRICT OF COLUMBIA—The following notes, dated Dec. 25...excellent goethite géodes I have found in the Oxon Run district. The goethite ranges from 1/8" to 1/2" thick as...nodules geode. occur in limestone lenses in the lower part Quartz (Rock crystal) Small xls (some of a...specimen consisting of lustrous brassy-yellow drusy pyrite xls (some large) coating black lignite was given |
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| .................................. CHAPTER I. GRANITE IN GENERAL .......................................................... 1.......... Varieties of granite.............................................................................. Varieties of the granite ........................................... Mineral................................................ Granite............................................................................ 51 Descriptions of quarries................................... 51 Baltimore |
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| bottom, interlam1nat.d~d, carrying occasional granite pebbles, are exposed under 2 or 3 feet ot t111...traversing limestone and con~aining ga~ena and pyrite. Irgn Ore (Litonite) Pits (95(area of 42 14'39"...with aome large masaea of pale-green pyroxene and pyrite. It contains amethyst, much titanite in the usual...l07)~ One inch w1ele Te1n worked. Assoc1.ted with pyrite, Plrrhotite, ahd calcite in hornDlendle gneiss...Hudson and Chester Granite rr (98(42 14'25",73 01'22")65,117)--Blu.-gray otite granite. Hi erals reported |
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| of print for several years. The importance of granite as a building material has increased rapidly in...recent years. North Carolina is well supplied with granite, and it is believed that this report will be of...considerable value to those interested in the granite resources of the State. Respectfully submitted...investigation and acknowledgments Granite defined Origin of granite Dikes penetrating the granites Acid...Diabase dikes Physical and structural properties of granite Dimension stone General ..' Dikes and veins : Segregations |
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| At that time the following minerals were noted: pyrite, chalcopyrite, sphalerite, columbite, manganapatite...recovered in recent years. The Palm and Koleh Granite Quarry in Amherst, New Hamphire is located about...piles and good specimens can be had by breaking up granite boulders showing pegmatite. The locality was abandoned...was there I saw a peculiar frog-like piece of granite on a ledge. It was so realistic that it started...developed. * * * I have visited most of the granite quarries in New England. In many there is a paucity |
Granite quarries, Gänsgraben, Limberg, Maissau, Hollabrunn District, Lower Austria, Austria